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distinctBy does not work infinite scala.Stream #5

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xuwei-k opened this issue Apr 13, 2017 · 1 comment
Open

distinctBy does not work infinite scala.Stream #5

xuwei-k opened this issue Apr 13, 2017 · 1 comment

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@xuwei-k
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xuwei-k commented Apr 13, 2017

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@cvogt
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cvogt commented Apr 13, 2017

IIRC I took the implementation of def distinct in the std lib and modified it. That would mean .distinct probably has the same problem. I can imagine an implementation that keeps the known ones around as it lazily goes through the collection and skips the ones already seen.

xuwei-k added a commit to xuwei-k/scala-extensions that referenced this issue Apr 17, 2017
@xuwei-k
add StreamExtensions. fix cvogt#5
db1da86
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